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Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream and midstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering, processing, and fractionation assets, as well as crude oil and light product transportation and logistics infrastructure. More information is available at www.marathonpetroleum.com.

Marathon Petroleum Corporation Questions

The Marathon Petroleum Corporation annual revenue was $147.8 billion in 2026.

Maryann Mannen is the President and Chief Executive Officer of Marathon Petroleum Corporation.

10,951 people are employed at Marathon Petroleum Corporation.

Marathon Petroleum Corporation is based in Findlay, Ohio.

The NAICS codes for Marathon Petroleum Corporation are [811, 45, 8111, 81, 457].

The SIC codes for Marathon Petroleum Corporation are [46, 461].

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